Ruark BackPack 3

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With its battery status display and improved power management R1 Mk4 works even better and longer with the our optional BackPack 3 and means you can enjoy R1’s rich mains powered p erformance where mains power is unavailable. BackPack 3 attaches seamlessly to R1 and once fitted can be left permanently in place as it charges automatically whenever mains power is re-applied. A full charge will provide up to twelve hours of mains free listening depending on volume. Show more